package com.kevin.stack;

import com.kevin.list.ArrayList;
import com.kevin.list.List;

/**
 * @Author LXL
 * @Date 2021/4/22 16:23
 **/
public class Stack<E>  {
    private List<E> list = new ArrayList<>();

    public void clear() {
        list.clear();
    }


    public int size() {
        return list.size();
    }

    public boolean isEmpty() {
        return list.isEmpty();
    }

    public void push(E element) {
        list.add(element);
    }

    public E pop() {
       return list.remove(list.size() - 1);
    }

    public E top() {
        return list.get(list.size() - 1);
    }
}
